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APPLE-SA-2019-1-22-1 iOS 12.1.3

iOS 12.1.3 is now available and addresses the following:

AppleKeyStore
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A sandboxed process may be able to circumvent sandbox
restrictions
Description: A memory corruption issue was addressed with improved
validation.
CVE-2019-6235: Brandon Azad

Bluetooth
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An attacker in a privileged network position may be able to
execute arbitrary code
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2019-6200: an anonymous researcher

Core Media
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to elevate privileges
Description: An out-of-bounds read was addressed with improved bounds
checking.
CVE-2019-6202: Fluoroacetate working with Trend Micro's Zero Day
Initiative
CVE-2019-6221: Fluoroacetate working with Trend Micro's Zero Day
Initiative

CoreAnimation
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to read restricted memory
Description: An out-of-bounds read was addressed with improved bounds
checking.
CVE-2019-6231: Zhuo Liang of Qihoo 360 Nirvan Team

CoreAnimation
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to break out of its
sandbox
Description: A memory initialization issue was addressed with
improved memory handling.
CVE-2019-6230: Proteas, Shrek_wzw and Zhuo Liang of Qihoo 360 Nirvan
Team

FaceTime
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A remote attacker may be able to initiate a FaceTime call
causing arbitrary code execution
Description: A buffer overflow issue was addressed with improved
memory handling.
CVE-2019-6224: Natalie Silvanovich of Google Project Zero

IOKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to break out of its
sandbox
Description: A type confusion issue was addressed with improved
memory handling.
CVE-2019-6214: Ian Beer of Google Project Zero

Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to elevate privileges
Description: A memory corruption issue was addressed with improved
validation.
CVE-2019-6225: Brandon Azad of Google Project Zero, Qixun Zhao of
Qihoo 360 Vulcan Team

Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to execute arbitrary code
with kernel privileges
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2019-6210: Ned Williamson of Google

Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may cause unexpected changes in
memory shared between processes
Description: A memory corruption issue was addressed with improved
lock state checking.
CVE-2019-6205: Ian Beer of Google Project Zero

Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A buffer overflow was addressed with improved bounds
checking.
CVE-2019-6213: Ian Beer of Google Project Zero

Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to determine kernel
memory layout
Description: An out-of-bounds read issue existed that led to the
disclosure of kernel memory. This was addressed with improved input
validation.
CVE-2019-6209: Brandon Azad of Google Project Zero

Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may cause unexpected changes in
memory shared between processes
Description: A memory initialization issue was addressed with
improved memory handling.
CVE-2019-6208: Jann Horn of Google Project Zero

Keyboard
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Password autofill may fill in passwords after they were
manually cleared
Description: An issue existed with autofill resuming after it was
canceled.  The issue was addressed with improved state management.
CVE-2019-6206: Sergey Pershenkov

libxpc
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A malicious application may be able to execute arbitrary code
with kernel privileges
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2019-6218: Ian Beer of Google Project Zero

Natural Language Processing
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing a maliciously crafted message may lead to a denial
of service
Description: A denial of service issue was addressed with improved
validation.
CVE-2019-6219: Authier Thomas

Safari Reader
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing maliciously crafted web content may lead to a
cross site scripting attack
Description: A cross-site scripting issue existed in Safari. This
issue was addressed with improved URL validation.
CVE-2019-6228: Ryan Pickren (ryanpickren.com)

SQLite
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: A maliciously crafted SQL query may lead to arbitrary code
execution
Description: Multiple memory corruption issues were addressed with
improved input validation.
CVE-2018-20346: Tencent Blade Team
CVE-2018-20505: Tencent Blade Team
CVE-2018-20506: Tencent Blade Team

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2019-6227: Qixun Zhao of Qihoo 360 Vulcan Team
CVE-2019-6233: G. Geshev from MWR Labs working with Trend Micro's
Zero Day Initiative
CVE-2019-6234: G. Geshev from MWR Labs working with Trend Micro's
Zero Day Initiative

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing maliciously crafted web content may lead to
universal cross site scripting
Description: A logic issue was addressed with improved validation.
CVE-2019-6229: Ryan Pickren (ryanpickren.com)

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A type confusion issue was addressed with improved
memory handling.
CVE-2019-6215: Lokihardt of Google Project Zero

WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed with
improved memory handling.
CVE-2019-6212: an anonymous researcher, Wen Xu of SSLab at Georgia
Tech
CVE-2019-6216: Fluoroacetate working with Trend Micro's Zero Day
Initiative
CVE-2019-6217: Fluoroacetate working with Trend Micro's Zero Day
Initiative, Proteas, Shrek_wzw, and Zhuo Liang of Qihoo 360 Nirvan
Team
CVE-2019-6226: Apple

WebRTC
Available for: iPhone 5s and later, iPad Air and later, and iPod
touch 6th generation
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A memory corruption issue was addressed with improved
state management.
CVE-2019-6211: Georgi Geshev (@munmap), Fabi Beterke (@pwnfl4k3s),
and Rob Miller (@trotmaster99) of MWR Labs (@mwrlabs) working with
Trend Micro's Zero Day Initiative

Additional recognition

mDNSResponder
We would like to acknowledge Fatemah Alharbi of University of
California, Riverside (UCR) and Taibah University (TU), Feng Qian of
University of Minnesota - Twin City, Jie Chang of LinkSure Network,
Nael Abu-Ghazaleh of University of California, Riverside (UCR),
Yuchen Zhou of Northeastern University, and Zhiyun Qian of University
of California, Riverside (UCR) for their assistance.

Safari Reader
We would like to acknowledge Ryan Pickren (ryanpickren.com) for their
assistance.

WebKit
We would like to acknowledge James Lee (@Windowsrcer) of Kryptos
Logic for their assistance.

Installation note:

This update is available through iTunes and Software Update on your
iOS device, and will not appear in your computer's Software Update
application, or in the Apple Downloads site. Make sure you have an
Internet connection and have installed the latest version of iTunes
from https://www.apple.com/itunes/

iTunes and Software Update on the device will automatically check
Apple's update server on its weekly schedule. When an update is
detected, it is downloaded and the option to be installed is
presented to the user when the iOS device is docked. We recommend
applying the update immediately if possible. Selecting Don't Install
will present the option the next time you connect your iOS device.

The automatic update process may take up to a week depending on the
day that iTunes or the device checks for updates. You may manually
obtain the update via the Check for Updates button within iTunes, or
the Software Update on your device.

To check that the iPhone, iPod touch, or iPad has been updated:

* Navigate to Settings
* Select General
* Select About. The version after applying this update
will be "iOS 12.1.3".

Information will also be posted to the Apple Security Updates
web site: https://support.apple.com/kb/HT201222

This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
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